.\"     $OpenBSD: audiocs.4,v 1.9 2007/05/31 19:19:56 jmc Exp $
.\"
.\" Copyright (c) 1999 Jason L. Wright (jason@thought.net)
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.Dd $Mdocdate: May 31 2007 $
.Dt AUDIOCS 4 sparc
.Os
.Sh NAME
.Nm audiocs
.Nd SPARC CS4231 audio device
.Sh SYNOPSIS
.Cd "audiocs0 at sbus0 " Pq "sun4m"
.Cd "audio*  at audiocs?"
.Sh DESCRIPTION
The
.Nm
device uses the
.Tn Crystal Semiconductor
CS4231A
Parallel Interface, Multimedia Audio Codec
chip to implement the audio device interface described in
.Xr audio 4 .
This device is found onboard on some sun4m models, and is available
as an option card for others.
The
.Nm
has a maximum precision of 16 bits and has both stereo and monoaural outputs.
The output ports are: the internal speaker, line, and headphones.
.Sh SEE ALSO
.Xr ioctl 2 ,
.Xr audio 4 ,
.Xr intro 4 ,
.Xr sbus 4
.Sh HISTORY
.Ox
support for
.Nm
first appeared in
.Ox 2.6 .
